Some of the events that Yoko has appeared in are as follows.

1996.11.03	Seiyuu Collection
1996.12.04	Seiyuu Collection
1997.01.11	Emotion Festival 1997 in Suginami Koukaidou
1997.01.19	Alice in Store at Ishimaru Soft One
1997.07.23	Shibuya de Chu part 1
1997.07.28	Seiyuu Collection Event
1997.08.02	Marumie Net 97 Oyaji no Natsu
1997.08.08	Ginza Voice of Animation
1998.01.15	Radish Roxs talk and live
1998.01.18	Radish Roxs event in Akihabara
1998.01.25	Radish Roxs handshake session
1998.03.01	Radish Roxs audition
1998.03.20	Tokyo Game Show Spring 1998 [business day]
1998.08.23	2nd Ani Raji Festival
1999.01.17	Digi Chara Festival
1999.09.18	Tokyo Game Show 99 Autumn
1999.09.19	Tokyo Game Show 99 Autumn
1999.09.26	Onechupi public recoding in Tokyo FM Hall
1999.11.21	Yuukyuu Ongakusai
2000.07.30	JAFCON 9
2000.08.12	Anime Japan Fes 2000 "All Stars 2000.com" at On Air West
2000.09.10	Elf Music Festa 2000
2001.06.23	Birthday Disc "Gemini" hatsubai kinen event at Yamagiwa Soft
2001.06.30	Birthday Disc "Gemini" hatsubai kinen at Ishimaru Denki Yokohama
2001.07.01	Birthday Disc "Gemini" hatsubai kinen event at Disk Inn Kichijoji
2001.07.01	Kakazu Yumi Asada Yoko mini live in Disk Inn Kichijoji
2001.07.17	Pure-ful Band Day Talking So It
2001.12.19-2001.12.23	Fedou Gekidan vol 17 at Honda Gekijou Shimokitazawa
2002.03.31	[14:00] Tokyo Myuu Myuu anime event in Yamaha Hall
2002.04.11	[18:30] EX Driver the Movie event in Kudan Kaikan
2002.04.20	EX Driver the Movie talk at Cine Riible Ikebukuro 2
2002.04.27	EX Driver the Movie talk at Cine Riible Umeda